Foldable triangle protractor



FIG. 1 is a front elevation view of a foldable triangle protractor showing our new design;

FIG. 2 is left side elevational view, the right side elevational view being mirror image thereof;

FIG. 3 is a top plan view, the bottom plan view being mirror image thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a front elevation view thereof with foldable triangle protractor in half-folded position;

FIG. 6 is a front elevation view thereof with foldable triangle protractor in fully folded position; and,

FIG. 7 is a rear elevation view thereof. 

CLAIM The ornamental design for a foldable triangle protractor, as shown and described. 